628645251

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 950985728

約数和(自身を除く): 322340477

約数列:

[1, 3, 13, 39, 41, 43, 123, 129, 223, 533, 559, 669, 1599, 1677, 1681, 1763, 2899, 5043, 5289, 8697, 9143, 9589, 21853, 22919, 27429, 28767, 65559, 68757, 72283, 118859, 124657, 216849, 356577, 373971, 374863, 393149, 939679, 1124589, 1179447, 2819037, 4873219, 5110937, 14619657, 15332811, 16119109, 48357327, 209548417, 628645251]

約数ペア:

[(1, 628645251), (3, 209548417), (13, 48357327), (39, 16119109), (41, 15332811), (43, 14619657), (123, 5110937), (129, 4873219), (223, 2819037), (533, 1179447), (559, 1124589), (669, 939679), (1599, 393149), (1677, 374863), (1681, 373971), (1763, 356577), (2899, 216849), (5043, 124657), (5289, 118859), (8697, 72283), (9143, 68757), (9589, 65559), (21853, 28767), (22919, 27429)]